<div class="modal fade" tabindex="-1" role="dialog" aria-labelledby="mySmallModalLabel" aria-hidden="true">
	<div class="modal-dialog">
		<div class="modal-content">
			<div class="modal-header">
				<button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
				<h4 class="modal-title">添加规则</h4>
			</div>
			<div class="modal-body">
				...
			</div>
			<div class="modal-footer">
				<button type="button" class="btn btn-default" data-dismiss="modal">取消</button>
				<button type="button" class="btn btn-primary">添加</button>
			</div>
		</div>
	</div>
</div>